13102780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 30728880

約数和(自身を除く): 17626100

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 41, 58, 76, 82, 95, 116, 145, 164, 190, 205, 290, 380, 410, 551, 580, 779, 820, 841, 1102, 1189, 1558, 1682, 2204, 2378, 2755, 3116, 3364, 3895, 4205, 4756, 5510, 5945, 7790, 8410, 11020, 11890, 15580, 15979, 16820, 22591, 23780, 31958, 34481, 45182, 63916, 68962, 79895, 90364, 112955, 137924, 159790, 172405, 225910, 319580, 344810, 451820, 655139, 689620, 1310278, 2620556, 3275695, 6551390, 13102780]

約数ペア:

[(1, 13102780), (2, 6551390), (4, 3275695), (5, 2620556), (10, 1310278), (19, 689620), (20, 655139), (29, 451820), (38, 344810), (41, 319580), (58, 225910), (76, 172405), (82, 159790), (95, 137924), (116, 112955), (145, 90364), (164, 79895), (190, 68962), (205, 63916), (290, 45182), (380, 34481), (410, 31958), (551, 23780), (580, 22591), (779, 16820), (820, 15979), (841, 15580), (1102, 11890), (1189, 11020), (1558, 8410), (1682, 7790), (2204, 5945), (2378, 5510), (2755, 4756), (3116, 4205), (3364, 3895)]